Exema
Encyclopedia
Exema is a genus
of leaf beetle
s in the tribe
Chlamisini
. They occur worldwide, with 9 species
in North America
for example.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of leaf beetle
Leaf beetle
Beetles in the family Chrysomelidae are commonly known as leaf beetles. This is a family of over 35,000 species in more than 2,500 genera, one of the largest and most commonly encountered of all beetle families....
s in the tribe
Tribe (biology)
In biology, a tribe is a taxonomic rank between family and genus. It is sometimes subdivided into subtribes.Some examples include the tribes: Canini, Acalypheae, Hominini, Bombini, and Antidesmeae.-See also:* Biological classification* Rank...
Chlamisini
Chlamisini
The Chlamisini form a tribe within the leaf beetle subfamily Cryptocephalinae, though historically they were often treated as a distinct subfamily, Chlamisinae...
. They occur worldwide, with 9 species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
in North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
for example.
Selected species
- Exema byersi Karren, 1966
- Exema canadensis Pierce, 1940
- Exema chiricahuana Pierce, 1941
- Exema conspersa Mannerheim, 1843
- Exema deserti Pierce, 1940
- Exema dispar Lacordaire, 1848
- Exema elliptica Karren, 1966
- Exema gibber Fabricius, 1798
- Exema globensis Pierce, 1940
- Exema inyoensis Pierce, 1940
- Exema jenksi Pierce, 1940
- Exema mormona Karren, 1966
- Exema neglecta Blatchley, 1920
- Exema parvisaxi Pierce 1940